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    • 52. 发明授权
    • Multiplex broadcasting station selection method
    • 多路广播电台选择方法
    • US5583873A
    • 1996-12-10
    • US423948
    • 1995-04-19
    • Takashi MiyakeShinichi AbeKazuhiro KamiyaMutsurou Tanque
    • Takashi MiyakeShinichi AbeKazuhiro KamiyaMutsurou Tanque
    • H04B1/16H04H20/00H04H20/28H04H60/43
    • H04H20/34H04H20/28H04H40/27H04H60/43H04H60/74H04H2201/13
    • A multiplex broadcasting station selecting method which can execute a station selecting operation in group units is provided. A PTY code to be compared and a channel are set to one set of large classification information. The user sequentially calls out the PTY codes to be designated to one group and depresses the same channel key or the like each time the desired PTY code is called, thereby storing into memory the large classification information in which a plurality of PTY codes are made correspond to a same channel number. When executing a retrieving operation, the user depresses one operation key. The large classification information corresponding to the channel number is consequently selected and the group having a similar genre can be retrieved as set. The user can receive either one of or all of the broadcasting stations in the large classification information of the group. A process such that the group is allocated to each of the channels which was conventionally impossible can be executed, so that the range of application of the RDS broadcasting is broadened.
    • 提供了可以以组为单位执行站选择操作的多路广播站选择方法。 要比较的PTY码和频道被设置为一组大的分类信息。 用户顺次呼出指定给一组的PTY码,并在每次调用所需PTY码时按下相同的频道密钥等,从而将多个PTY码对应的大分类信息存储到存储器中 到相同的频道号码。 当执行检索操作时,用户按下一个操作键。 因此选择对应于频道号的大分类信息,并且可以设置具有相似类型的组。 用户可以接收该组的大分类信息中的一个或所有广播电台。 可以执行将组分配给通常不可能的每个信道的处理,使得RDS广播的应用范围变宽。
    • 54. 发明授权
    • Automatic sound volume control method
    • 自动音量控制方式
    • US5434926A
    • 1995-07-18
    • US15108
    • 1993-02-09
    • Yoshikatsu WatanabeTakashi MiyakeMasatoshi ItoYoshio Imanishi
    • Yoshikatsu WatanabeTakashi MiyakeMasatoshi ItoYoshio Imanishi
    • B60R11/02H03G3/32H03G5/16H03G3/00
    • H03G3/32
    • An automatic volume control to prevent the listener from having an odd sensation is obtained with a plurality of conditions taken into considerations. A plurality of control rules required to infer using fuzzy logic a volume correcting value on the basis of frequency band component levels, L, M and H and a volume level V are stored beforehand in a volume correcting value inferring portion 13. The volume correcting value inferring portion 13 obtains inference results of the individual control rules on the basis of the individual frequency band component levels L, M, H input from a filter circuit 12 and the volume level input from an audio reproducing portion 14, obtains a weighted mean of the respective inference results as a volume correcting value Z, and inputs the volume correcting value to the audio reproducing portion 14 to automatically correct the volume. Furthermore, since a degree with which each of the control rules is associated with volume correction differs, an adjustment coefficient corresponding to each of the degrees is stored beforehand. A weighted mean of the values obtained by multiplying the inference results of the control rules by the corresponding adjustment coefficients is the volume correcting value.
    • 在考虑到多个条件的情况下,可以获得防止听众出现奇怪感觉的自动音量控制。 根据频带成分水平L,M,H以及音量V来推定使用模糊逻辑的体积校正值所需的多个控制规则被预先存储在体积校正值推定部13中。体积校正值 推断部分13基于从滤波器电路12输入的各个频带分量电平L,M,H和从音频再现部分14输入的音量电平获得各个控制规则的推断结果,获得加权平均值 相应的推断结果作为音量校正值Z,并且将音量校正值输入到音频再现部分14以自动校正音量。 此外,由于每个控制规则与体积校正相关联的程度不同,所以预先存储与每个度数对应的调整系数。 通过将控制规则的推断结果乘以相应的调整系数而获得的值的加权平均值是体积校正值。
    • 55. 发明授权
    • Sequential conversion-type ADC using predetermined bits
    • 使用预定位的顺序转换型ADC
    • US5394147A
    • 1995-02-28
    • US33215
    • 1993-03-18
    • Takashi Miyake
    • Takashi Miyake
    • H03M1/38H03M1/46H03M1/42
    • H03M1/462
    • A sequential conversion-type A/D converter having a fixing bit register for identifying which bits of a sequential conversion register are to be fixed, a fixed value register for holding the binary values of the bits of the sequential conversion register to be fixed, and a conversion start position setting circuit for identifying a leading bit of the sequential conversion register as a bit of a lower order than the bits of said sequential conversion register to be fixed. The control circuit starts sequential conversion from the bit set by the conversion start position setting circuit. The invention achieves a sequential conversion type A/D converter which can convert, in a shorter period of time than the prior art, analog input signals showing small changes, without deteriorating conversion accuracy.
    • 一种具有用于识别顺序转换寄存器的哪些位被固定的固定位寄存器的顺序转换型A / D转换器,用于保持顺序转换寄存器的位的二进制值被固定的固定值寄存器,以及 转换开始位置设置电路,用于将顺序转换寄存器的前导位识别为比要固定的所述顺序转换寄存器的位低的位。 控制电路从由转换开始位置设置电路设置的位开始顺序转换。 本发明实现了一种顺序转换型A / D转换器,其可以在比现有技术更短的时间段内转换显示小变化的模拟输入信号,而不会降低转换精度。